{"id":50664,"date":"2023-02-22T04:35:00","date_gmt":"2023-02-22T04:35:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=50664"},"modified":"2023-02-24T19:54:46","modified_gmt":"2023-02-24T19:54:46","slug":"long-loops-of-cyclone-freddy-from-himawari-9-and-from-polar-orbiters","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/50664","title":{"rendered":"Long loops of Cyclone Freddy from Himawari-9 and from Polar Orbiters"},"content":{"rendered":"\n<figure class=\"wp-block-video\"><video height=\"522\" style=\"aspect-ratio: 1846 \/ 522;\" width=\"1846\" controls loop muted src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/02\/HIMAWARI-9_AHI_B13_20230205_0000_to_0219_2300anim.mp4\"><\/video><figcaption class=\"wp-element-caption\">Himawari-9 Clean Window infrared (10.41 \u00b5m) imagery, 0000 UTC on 5 February &#8211; 2350 UTC on 19 February 2023<\/figcaption><\/figure>\n\n\n\n<p>Indian Ocean Cyclone Freddy had an unusually long track and lifespan as it crossed the southern Indian Ocean.  The animation above (created using <a href=\"https:\/\/www.ssec.wisc.edu\/software\/geo2grid\/\">geo2grid<\/a> software) shows hourly Himawari-9 Clean Window infrared (10.4 \u00b5m) imagery from 5 February through 19 February, when Freddy could no longer be viewed by that geostationary satellite.  Freddy appears over the eastern part of the domain on 6 February and shows a nice eye on the 11th of February, and again from 14-16 February, and at the end of the animation as well.<\/p>\n\n\n\n<p>The MIMIC-TC animation, below, courtesy Derrick Herndon, CIMSS, shows how the microwave-sensed presentation of the storm evolved during its lifetime from 06 February through 22 February 2023.  The maximum inferred windspeed, 135 knots, occurred twice, once on <a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/50517\">16 February<\/a> and once on 19 February.  SATCON wind estimates, <a href=\"https:\/\/tropic.ssec.wisc.edu\/real-time\/satcon\/202311S.html\">here<\/a>, from <a href=\"https:\/\/tropic.ssec.wisc.edu\/real-time\/satcon\/\">this website<\/a>, also showed the twin peaks in intensity.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/02\/2023_11S_CycloneFreddy_Lifespan_mimictc_fast.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"540\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/02\/2023_11S_CycloneFreddy_Lifespan_mimictc_fast.gif\" alt=\"\" class=\"wp-image-50666\"\/><\/a><figcaption class=\"wp-element-caption\">MIMIC-TC animations centered on Freddy, 6 &#8211; 22 February 2022 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p><a href=\"http:\/\/tropic.ssec.wisc.edu\/real-time\/mtpw2\/product.php?color_type=tpw_nrl_colors&amp;prod=indo&amp;timespan=24hrs&amp;anim=html5\">MIMIC TPW fields<\/a>, shown below as in an mp4 (<a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/02\/comp20230205.0000_to_0224.1200anim.gif\">Click here for an animated gif<\/a>) also tracked Freddy across the Indian Ocean, from its formation near Australia on the 6th to its landfall in Madagascar on the 21st and Mozambique on the 24th.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"576\" style=\"aspect-ratio: 890 \/ 576;\" width=\"890\" controls loop muted src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/02\/comp20230205.0000_to_0224.1200anim.mp4\"><\/video><figcaption class=\"wp-element-caption\">MIMIC Total Precipitable Water fields, 06 February through 24 February 2023 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p>NOAA\/NESDIS has produced a story on Freddy, <a href=\"https:\/\/www.nesdis.noaa.gov\/news\/tropical-cyclone-freddy-breaks-records-lashing-madagascar\">available here<\/a>;  the animation in that story is<a href=\"https:\/\/www.youtube.com\/watch?v=BRTLzh4FAxU\"> on YouTube<\/a>.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Indian Ocean Cyclone Freddy had an unusually long track and lifespan as it crossed the southern Indian Ocean. The animation above (created using geo2grid software) shows hourly Himawari-9 Clean Window infrared (10.4 \u00b5m) imagery from 5 February through 19 February, when Freddy could no longer be viewed by that geostationary satellite. Freddy appears over the [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":50667,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[73,79,2],"tags":[],"class_list":["post-50664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-himawari-9","category-microwave","category-tropical-cyclones"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/50664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=50664"}],"version-history":[{"count":8,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/50664\/revisions"}],"predecessor-version":[{"id":50749,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/50664\/revisions\/50749"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/50667"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=50664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=50664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=50664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}